package congcong;
import java.util.Scanner;
public class threefive{
	public static void main(String[] args){
		System.out.print("sanwu");
		Scanner sc =new Scanner(System.in);
		int num=sc.nextInt();
		for(int i=1;i<=num;i++){
			if(i%15==0){
				System.out.print("sanwu");
			}else if (i%3==0){
				System.out.print("xiaosan");
			}else if (i%5==0){
				System.out.print("xiaowu");
			}else {
				System.out.print(i);
			}
		}
		sc.close();
	}
}